3 Environmental Sustainability at Akamai 3 A Message from Akamai CEO, Tom Leighton In 2009, Akamai launched its sustainability initiative designed to measure and mitigate the environmental impact of our business operations. Over this period, we have made significant progress in maturing and formalizing this initiative as well as addressing material environmental impacts of our greenhouse gas (GHG) emissions and electronic waste generation. Reducing energy and GHG impacts is of growing importance to our customers as well. Our success helps our customers achieve their sustainability goals. Looking through the lens of sustainability provides a fresh perspective that stimulates new ways of thinking about our operations, markets and supply chain, and inspires innovation. Increasing the energy efficiency and productivity of our network is our biggest opportunity to improve the sustainability of our operations by reducing energy consumption and the associated GHG emissions. It is also an example of alignment of sustainability with key business drivers: reducing costs, stimulating innovation, and aiding customers in meeting their sustainability goals. To demonstrate our commitment and inspire thinking big, we set a goal to reduce our network energy and GHG intensity relative to traffic 30% year-over-year. Relative to this target, over the past five years we ve averaged 33% per year energy and carbon intensity reductions, and total reductions of 90% since January Even more exciting, as a result of our efforts to innovate around network productivity and efficiency, we have decoupled our absolute energy consumption and greenhouse gas emissions from network traffic growth, flattening these impacts even as our traffic continues to grow exponentially. These achievements have resulted in tens of millions of dollars in CAPEX and OPEX savings. Beyond energy and GHG, Akamai has also taken steps to responsibly manage our large volume of decommissioned electronic equipment such as servers and laptops. In 2012 Akamai became an e-stewards Enterprise taking a leadership role in helping to address the growing worldwide electronic-waste crisis. Consistent with the most rigorous standards program for electronics recycling practices, we now use only e-stewards certified partners. Prioritizing resale and then recycling, we maximize the economic value of these assets. Akamai has a goal to process 100% of our electronic waste through e-stewards certified asset management vendors or their partners. In 2014 we achieved 97%. Transparency is a core tenant of our sustainability initiative. In addition to the information we provide on our website, Akamai publicly discloses to CDP since 2009 providing insights into our climate change management strategy, metrics and progress. To ensure we achieve our goals, it is important that we approach sustainability not as a tactic or single objective, but as a way of thinking about systems and processes, uncovering more efficient and innovative ways of doing things, looking at the future landscape and markets for opportunities and risks. By working together, I believe Akamai is truly positioned to take a leadership role in minimizing the environmental impact of information technology systems. Thank you, Dr. Tom Leighton Chief Executive Officer and Co-Founder

4 Environmental Sustainability at Akamai 4 Akamai s Environmental Sustainability Policy At Akamai, we are committed to providing services that help our customers leverage the Internet and improve their own environmental sustainability practices. Our goal is to mitigate the environmental impact of our global operations by infusing measurable sustainability practices throughout our organization, and to be a leader in environmental responsibility in the information communications technology sector. To accomplish this, we will strive to: Sustainable Activities Conserve energy and improve energy efficiency throughout our operations with the goal of mitigating our greenhouse gas emissions. Responsibly manage and dispose of our electronic waste. Lease and renovate office space consistent with LEED standards. Conserve natural resources through source reduction, material reuse and recycling, and the purchase of materials containing recycled and/or renewable natural resources. Incorporate sustainable procurement practices where possible. Support a distributed worker program. Incorporate our environmental principles into our business relationships by seeking similar commitments to the environment from our major suppliers. Stakeholder Awareness Foster employee awareness and active participation through corporate communications and select training programs. Promote open dialogue and share best practices with our stakeholders. Corporate Governance Set objectives and targets to promote improvement in our environmental performance. Integrate these practices into our business planning, decision-making, performance tracking and review processes to help us achieve stated goals. Conduct appropriate reviews of our compliance with this policy, measure progress of our performance, and report periodically to our customers, employees, the Board of Directors, shareholders, and the general public.

6 Environmental Sustainability at Akamai 6 Network Energy & Carbon Efficiency It has been clear to us from the beginning that our biggest opportunity to improve sustainability is by increasing the productivity and energy efficiency of our content delivery network. Target: Reduce network energy and Scope 2 GHG intensity by 30% year over year. Maximize Server Efficiency and Utilization Akamai s network operations currently represent more than 90% of our overall environmental footprint in terms of energy consumption, carbon emissions and electronic waste. Our initiatives are focused on maximizing network efficiency and productivity, and decarbonizing its energy. To hold ourselves accountable, we have a commitment to reduce our network energy and GHG intensity relative to traffic 30% year-over-year. Energy and Productivity Initiatives Akamai has energy and productivity initiatives in place that have the potential to achieve significant efficiency improvements, including: Code Optimizations Identifying and rewriting inefficient code to increase the capacity of our network without adding more servers. Implementing code enhancements and new infrastructure architecture to streamline intra-network data transfer. Improving power proportionality of servers, including minimizing CPU power consumption during idle periods. Hardware and Infrastructure Optimizations Deploying less expensive, custom-designed servers that maximize performance per Watt. Redesigning server rack architecture to maximize utilization of power. Process Optimizations Improving server management, such as quickly identifying and decommissioning or repurposing disabled servers.

8 Environmental Sustainability at Akamai 8 Electronic Waste Management Program Akamai maximizes the use of its electronic equipment by upgrading systems for reuse, reselling, and finally recycling and disposal of end-of-life equipment. Target: Process 100% of our electronic waste at e-stewards certified facilities. Akamai is committed to addressing the growing worldwide crisis of electronic waste. Our global Intelligent Platform consists of more than 175,000 servers, a fraction of which are decommissioned annually. Equipment that cannot be repurposed or resold needs to be processed for end-of-life. While there are laws regulating how e-waste is processed, these laws do not completely ensure the socially- and environmentally-responsible processing of e-waste. To fill this gap, the Basel Action Network (BAN) developed a rigorous voluntary certification program called the e-stewards Initiative. As a demonstration of our commitment and leadership in this area Akamai became an e-stewards Enterprise using only e-stewards-certified partners wherever possible. These partnerships ensure that our electronic assets are processed in a socially- and environmentally-responsible manner, and that we are recovering their full economic value through resale and recycling. We have a target to process 100% of our electronic equipment through an e-stewards facility. In 2014 we achieved at rate of 97%. We are also committed to addressing the digital divide. Akamai partners with Revivn, a Benefit Corporation, to repurpose our decommissioned corporate IT equipment that still has remaining life, providing it to people who lack computer access. Akamai is an e-stewards Enterprise committed to socially- and environmentally-responsible processing of our electronic waste.

9 Environmental Sustainability at Akamai 9 Sustainable Office Practices As part of our commitment to minimize Akamai s environmental impact, we have embarked on an ongoing effort to improve efficiency and reduce consumption in our offices. Target: To adhere to sustainable building practices such as LEED for all current and future projects. Akamai s ongoing effort to minimize our environmental impact extends to improving efficiency and reducing consumption in our offices. In recent years, we have successfully completed renovation projects for our Cambridge and northern California offices that align with the prerequisites for LEED (Leadership in Energy & Environmental Design) certification to demonstrate commitment to best-of-breed sustainable building practices. Required elements for LEED certification that we ve implemented include (but are not limited to): Energy efficient lighting, appliances and heating and cooling systems Use of recycled materials in construction Office and construction-waste recycling programs Office furniture reuse/donation The LEED Green Building Rating System is the nationally-accepted benchmark for sustainable buildings, and all of Akamai s current and future projects will be built to these standards. In addition, priority is given to buildings with sustainable infrastructure and policies when relocating or opening new offices. The Facilities Management team frequently assesses and improves upon green building standards and implements appropriate practices in all offices.

10 Environmental Sustainability at Akamai 10 Material and Waste Reduction Program Recognizing that material consumption and non-hazardous waste are also significant aspects and impacts Akamai has several initiatives focused on these areas. Akamai s corporate IT organization incorporates Energy Star and EPEAT requirements into our its purchasing criteria for office equipment and supplies. The U.S. government Energy Star program rates the energy efficiency of electronics and appliances. EPEAT rates select categories of off-the-shelf electronic products based on their environmental attributes such as recyclability, energy efficiency, and toxic and recycled material content. The corporate IT organization also implements server and desktop virtualization that enables multiple applications to run on the same machine, significantly reducing the number of machines required. To date we ve decommissioned or avoided the purchase of over a thousand servers and desktops, saving over $150,000 in annual energy costs, and more than a million dollars in avoided server and desktop-related costs. Where supported by the property management company, Akamai s leased offices have implemented office waste recycling programs. In addition to standard recycling many of our offices also collect and recycle batteries, small electronics, compost organic waste, replace paper cups with mugs and glasses, and implement duplex printing. Server productivity gains achieved as part of Akamai s network efficiency initiative, through code optimization and deploying higher-performance hardware, commensurately reduces the number of servers required to support a given target network capacity. This material savings is significant with a network server count of over 175,000+. Akamai is committed to following sustainable building practices such as LEED whenever we undertake renovations of our leased offices. More details about this initiative can be found elsewhere in this document.

11 Environmental Sustainability at Akamai 11 Transparency, Accountability and Collaboration Transparency and accountability are core tenants of Akamai s sustainability initiative. We reinforce our accountability by making available to the public our sustainability commitments, practices and progress. Transparency Transparency and accountability are core tenants of Akamai s sustainability initiative. Our environmental management system is structured on the ISO standard of plan, do, check and act. Our significant aspects and impacts are energy consumption, greenhouse gas emissions, material consumption and hazardous and non-hazardous waste. Accountability We disclose our targets, strategies and progress here and on our sustainability brochure. In addition to this information, Akamai is committed to publicly, annually disclosing to the CDP (formerly the Carbon Disclosure Project) providing insights into our climate change management strategy, metrics and progress. Our most recent annual disclosure is available here. In 2014 Akamai achieved a position on both CDP s S&P 500 Climate Performa nce Leadership Index and Climate Disclosure Leadership Index for our demonstrated commitment to managing climate change by integrating it into our business strategy and taking actionable steps to mitigate climate-related risk. Since 2013 Akamai has been a constituent of the Dow Jones Sustainability Indices in recognition of our corporate sustainability leadership in our industry. Akamai is also a constituent of the FTSE4Good Index Series, created by the global index company FTSE. FTSE4 Good constituent companies have met stringent environmental, social and governance criteria, and are positioned to capitalize on the benefits of responsible business practice. Collaboration Because we believe that great solution arise from collaboration, Akamai is a member of the following organizations whose primary goals are to promote sustainability best practices and collaboration.

12 Environmental Sustainability at Akamai 12 Targets and Progress at a Glance Our goal is to mitigate the enviromental impact of our global operations by infusing measurable sustainability practices througout our organization, and to be a leader in environmental responsibility in the information communications technology sector. Network Energy and Carbon Efficiency Targets: 30% reduction in network energy and Scope 2 GHG intensity per unit traffic per year %Reduction GHG/Traffic YoY %Reduction Energy/Traffic YoY Electronic Waste Management Target: Process 100% of our electronic equipment at e-stewards certified facilities Total* (mton) % e-stewards Processed 98% 98% 97% * Includes electronic components that were resold. Documentation and volume by weight of processed electronic assets is provided by Akamai s asset management vendors. Percentage values below 100% are due to overseas equipment that was not shipped back to the U.S. for e-stewards processing. Akamai is seeking e-stewards processing facilities outside the U.S.

14 Environmental Sustainability at Akamai 14 Network Energy & GHG Methodology This page describes the methodology used to estimate the energy consumption and GHG emissions of Akamai s server network and outsourced collocation data center operations. Comprehensive, direct energy consumption data are not available for Akamai network servers, switches, routers, or the third-party data center infrastructure in which they are hosted. There is no established protocol available today that we felt would provide an accurate accounting of our network GHG emissions. Using existing internal data we developed the following methodology to estimate the monthly Akamai network-wide energy consumption and associated GHG emissions: Server and networking equipment energy estimate: Power draw (Watts) is measured in the lab at peak load for each server type and configuration (e.g., # of disks). It is assumed that this peak power consumption is the same for a given server type and configuration. This is also done for network switches, routers and PDU s. At the end of each month an equipment inventory is taken for each data center (including switches, routers and PDU s) for equipment that is powered on. The number of each server type and configuration is summed for each data center. It is assumed that this equipment has been resident in the data center for the entire month. Each data center s server type and configuration total is multiplied by the peak power consumption (from #1), multiplied by 24 hours, multiplied by the number of days in the target month, and divided by 1,000 to convert to total KWH for that server type and configuration in a target data center. The total kwh is reduced by a percentage for each server type that reflects the findings from production data of average daily variation of server power draw relative to peak load (from #1). For example, the percentage reduction could range from 15-40%. This per data center server network monthly energy consumption is uploaded into Akamai s energy and carbon management system. The energy and carbon management system converts the energy usage into GHG emissions by applying emission factors that are a function of each data center s location, either state, in the U.S., or country, outside the U.S., to convert total KWH to GHG emissions. State-level carbon emission factors (CEF) for data centers within the U.S. are based on current EPA egrid data. For data centers outside the U.S. we used country-level CEF s sourced from current IEA CO2 Emissions from Fuel Combustion Highlights. The Scope 2 GHG emissions for each data center are then summed for total GHG emissions across the Akamai server network.

15 Environmental Sustainability at Akamai 15 Collocation data center energy estimate: Collocation data center infrastructure includes but is not limited to backup power supply (UPS), power distribution units (PDU s), transformers, cooling units, chillers, fans, and lights. For the estimation of the Scope 3 GHG emission attributable to our third-party data center hosting operations, we rely on the estimated Scope 2 emissions of our server network, as detailed above, and the power usage effectiveness (PUE) 6 of these data centers to arrive at estimated Scope 3 emissions of these data centers. Where available the PUE 7 reported by a data center provider for a facility is used. Where not available, the average of reported PUE values is used. For each data center the monthly total server network electricity consumption is multiplied by one minus the data center PUE value: Data Center Monthly Electricity Consumption = Server network monthly electricity consumption x (1 - data center PUE) This per data center monthly electricity consumption is uploaded into Akamai s energy and carbon management system. The energy and carbon management system converts the energy usage into GHG emissions by applying emission factors that are a function of each data center s location, either state, in the U.S., or country, outside the U.S., to convert total KWH to GHG emissions. State-level carbon emission factors (CEF) for data centers within the U.S. are based on current EPA egrid data. For data centers outside the U.S. we used country-level CEF s sourced from current IEA CO2 Emissions from Fuel Combustion Highlights. The Scope 3 GHG emissions for each data center are then summed for total Scope 3 GHG emissions across the Akamai network. Categorization of GHG Emissions Under the Operational Control consolidation approach, Akamai categorizes as Scope 2 the GHG emissions associated with the electricity consumption of our server and network equipment: Akamai is directly involved in the design of our network server equipment, including efficiency. Akamai purchases, owns and has sole control over this network server infrastructure. We categorize as Scope 3 the GHG emissions associated with the support services provided by our third-party data center hosting providers, including cooling, lighting, power backup and conditioning, and building operations: Akamai has no direct operational control over these operations or their efficiency. These support services are paid for indirectly as part of our data center hosting agreement.

16 Environmental Sustainability at Akamai 16 For More Information: Akamai is interested in learning about our customers sustainability programs and how we can collaborate to help you further your goals. For more information please contact Nicole Peill-Moelter, Senior Director of Environmental Sustainability, at Sources: 1 These KPI s were developed as an industry standard by The Green Grid. 2 Scope 3 includes GHG associated with outsourced data center operations and employee air travel. 3 Scope 3 includes GHG associated with outsourced data center operations; shipping; and employee air travel. 4 Scope 3 includes GHG associated with outsourced data center operations; shipping; network server embedded carbon; waste generation; and employee air travel. 5 Scope 3 includes GHG associated with outsourced data center operations; shipping; network server embedded carbon; electricity transmission and distribution losses; waste generation; and employee air travel and commuting. 6 PUE, as defined by The Green Grid, is the ratio of the total data center energy consumption and the IT equipment energy consumption (i.e., our servers and switches). Ideally PUE measurements are time averaged. 7 Reported PUE s are sourced from an annual survey that Akamai conducts of major collocation data centers representing >75% of Akamai s network server deployment. As the global leader in Content Delivery Network (CDN) services, Akamai makes the Internet fast, reliable and secure for its customers. The company s advanced web performance, mobile performance, cloud security and media delivery solutions are revolutionizing how businesses optimize consumer, enterprise and entertainment experiences for any device, anywhere. To learn how Akamai solutions and its team of Internet experts are helping businesses move faster forward, please visit or blogs.akamai.com, and on Twitter. Akamai is headquartered in Cambridge, Massachusetts in the United States with operations in more than 57 offices around the world. Our services and renowned customer care are designed to enable businesses to provide an unparalleled Internet experience for their customers worldwide. Addresses, phone numbers and contact information for all locations are listed on Akamai Technologies, Inc. All Rights Reserved. Reproduction in whole or in part in any form or medium without express written permission is prohibited. Akamai and the Akamai wave logo are registered trademarks. Other trademarks contained herein are the property of their respective owners. Akamai believes that the information in this publication is accurate as of its publication date; such information is subject to change without notice. Published 10/15.

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